Electronic piano



FIG. 1 is a top, front perspective view of an electronic piano showing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front view thereof;

FIG. 4 is a bottom plan view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a right side elevational view, the left side being a mirror image thereof. 

The ornamental design for an electronic piano, as shown and described. 